612012256 has 24 divisors (see below), whose sum is σ = 1206662184. Its totient is φ = 305558400.

The previous prime is 612012209. The next prime is 612012299. The reversal of 612012256 is 652210216.

It is a self number, because there is not a number n which added to its sum of digits gives 612012256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8791 + ... + 36073.

It is an arithmetic number, because the mean of its divisors is an integer number (50277591).

Almost surely, 2^612012256 is an apocalyptic number.

It is an amenable number.

612012256 is a deficient number, since it is larger than the sum of its proper divisors (594649928).

612012256 is a wasteful number, since it uses less digits than its factorization.

612012256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27994 (or 27986 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 612012256 is about 24738.8814621842. The cubic root of 612012256 is about 849.0241423617.

The spelling of 612012256 in words is "six hundred twelve million, twelve thousand, two hundred fifty-six".